Why Rotor cranks? I could get a 46t for my current cranks which solves the big ring but doesn't help at the bottom end.
oh can you? I didnt know there were 4 bolt road chainrings cheap.
cheap
Not hugely, which is why a 12-30t cassette is preferred.
@amey started
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Why Rotor cranks? I could get a 46t for my current cranks which solves the big ring but doesn't help at the bottom end.